Attaching Cement Board To Concrete Floor

No sir installing cement boards over concrete just isn t a very practical idea.

Attaching cement board to concrete floor. These nails are cheap hold well as long as they penetrate at least inch into the concrete and are extremely hard to pull out. If you have a concrete subfloor then you should not be contemplating installing cement board over it. All the insider information on how to build and waterproof a. Cement boards that some in sheets.

Concrete floors should be mechanically abraded by some means. Cement board commonly sold under trade names such as durock hardiebacker and wonderboard is now the standard underlayment used for ceramic porcelain or stone tile laid with thinset mortar adhesive cement board is used for most floor tile and has all but replaced plywood and drywall backer materials for wall tile applications in wet areas like showers and tub surrounds. Concrete nails are shaped like thick common nails. Vinyl flooring glued over 1 4 in.

However a homeowner may need to raise the floor slightly before installing tile and lack the experience or time to install a mortar bed. Thick cement board instead of the usual 1 2 in. I know it seems like a smooth surface and it seems like it may fix some of the issues with the concrete floor but don t do it. The 1 mistake most people make when installing cement board.

These nails are driven through a board and into concrete underneath much like nailing a wood board to a wood floor. Concrete is usually a good subfloor on which to install ceramic tile. Installing a cement backerboard is crucial when you want a waterproof tile floor that lasts for years without cracking. The best way to address any inferior concrete surface in preparing it for a tile installation is to use a direct approach.

These convenient panels of cementitious board provide an instant flat hard surface that bonds with the thin set adhesives or mortars used to install tile. It is very important to first spread thin set on the floor before placing the cement board to the floor. Before we go any farther on how to install cement board i am going to talk about a very common mistake most people make. Placing cement boards over the concrete subfloor is an excellent way to create a solid and smooth subfloor.

Then you attach the cement board with screws. Drywall screws spaced every 6 in. The various brands of cement board such as hardiebacker durock denshield and wonderboard have become a standard tile backer material for nearly all ceramic porcelain and stone tiles for floor wall and countertop applications. Cement backerboard is a thin layer of concrete with fiberglass mesh on both sides.

It s available in sheets of many sizes with 3 foot by 5 foot sheets being the most common. Installing cement board over a concrete subfloor. In fact i think it would create more problems than it would solve.